Ferrer, I. (2009). The Philippines is a mining country. AmCham Philippines Business Journal.
Chicagoスタイル(17版)引用形式Ferrer, Isagani. "The Philippines Is a Mining Country." AmCham Philippines Business Journal 2009.
MLA(9版)引用形式Ferrer, Isagani. "The Philippines Is a Mining Country." AmCham Philippines Business Journal, 2009.
警告: この引用は必ずしも正確ではありません.